lvm/util/medstat.c

	medstat.c revision f3e56050555d3d1ae673b32c5815b57e97db899a
/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License, Version 1.0 only
 * (the "License").  You may not use this file except in compliance
 * with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 */
/*
 * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

#pragma ident   "%Z%%M% %I% %E% SMI"

/*
 * mediator status utility.
 */

#include <meta.h>
#include <sdssc.h>

static void
usage(
    mdsetname_t *sp,
    char        *string)
{
    if ((string != NULL) && (*string != '\0'))
        md_eprintf("%s\n", string);
    (void) fprintf(stderr, gettext(
        "usage: %s [-q] -s setname\n"),
    myname);
    md_exit(sp, (string == NULL) ? 0 : 1);
}

/*
 * parse args and do it
 */
int
main(
    int         argc,
    char            *argv[]
)
{
    int         c;
    char            *sname = MD_LOCAL_NAME;
    md_error_t      status = mdnullerror;
    md_error_t      *ep = &status;
    mdsetname_t     *sp = NULL;
    int         verbose = 1;

    /*
     * Get the locale set up before calling any other routines
     * with messages to ouput.  Just in case we're not in a build
     * environment, make sure that TEXT_DOMAIN gets set to
     * something.
     */
#if !defined(TEXT_DOMAIN)
#define TEXT_DOMAIN "SYS_TEST"
#endif
    (void) setlocale(LC_ALL, "");
    (void) textdomain(TEXT_DOMAIN);

    /*
     * There is no need to proxy the command to owner of the set
     * to get the mediator information as the /etc/lvm/meddb file
     * contains the required information and so it can be used.
     */
    if ((sdssc_bind_library() == SDSSC_ERROR))  {
        (void) fprintf(stderr,
            "Failed to initialised libscsds.so.1\n");
        exit(1);
    }


    /* initialize */
    if (md_init(argc, argv, 0, 1, ep) != 0) {
        mde_perror(ep, "");
        md_exit(sp, 1);
    }

    optind = 1;
    opterr = 1;
    while ((c = getopt(argc, argv, "qs:?")) != -1) {
        switch (c) {
            case 'q':
                verbose = 0;
                break;
            case 's':
                sname = optarg;
                break;
            case '?':
                if (optopt == '?')
                usage(sp, NULL);
                /*FALLTHROUGH*/
            default:
            usage(sp, gettext("unknown command"));
        }
    }
    /* must have set for everything else */
    if (strcmp(sname, MD_LOCAL_NAME) == 0)
        usage(sp, gettext("setname must be specified"));

    /* snarf MDDB */
    if (meta_setup_db_locations(ep) != 0) {
        mde_perror(ep, "");
        md_exit(sp, 1);
    }

    /*
     * Get the mediator information from file
     * /etc/lvm/meddb and print it.
     */

    if (meta_mediator_info_from_file(sname, verbose, ep)) {
        md_exit(sp, 1);
    }

    md_exit(sp, 0);
    /* NOTREACHED */
    return (0);
}